be experienced at/in的区别
问题描述：
be experienced at/in的区别
答
be experienced at sth/doing sth （后面多跟某动作）对……经验丰富He is experienced at running an international financial institution.他运作国际金融机构的经验丰富is experienced in sth/doing sth (后面多...太给力了，你的回答完美解决了我的问题！